Texas Government Code - GOV'T § 2251.0521. Unsigned Change Order

(1) “Public work contract” has the meaning assigned by Section 2253.001.

(2) “Subcontract” means a contract between a subcontractor and a vendor who is providing services under a public work contract.

(1) the vendor has not received a written, fully executed change order for the governmental entity-directed additional work; and

(2) the aggregate actual or anticipated value of the additional work under the vendor's contract terms plus any previous governmental entity-directed additional work for which the vendor has not received a written, fully executed change order exceeds 10 percent of the vendor's original public work contract amount.

(1) the subcontractor has not received a written, fully executed change order for the governmental entity-directed additional work from the vendor; and

(2) the aggregate actual or anticipated value of the additional work under the subcontractor's subcontract terms plus any previous governmental entity-directed additional work for which the subcontractor has not received a written, fully executed change order exceeds 10 percent of the subcontractor's subcontract amount.